Chicago is facing a stretch of sunny skies with slightly below-average temperatures for the next several days before a stray thunderstorm could move in over the weekend.
With temperatures usually at the 82 F mark for this time of year, Chicago will have slightly cooler temperatures in the mid-70s with the chance of reaching 80 F closer to the weekend.
Daytime skies will be mostly sunny with some clouds. Night skies will follow a similar pattern and remain clear.
Overnight temperatures will rest in the upper 60s.
Looking ahead to the weekend, the Chicago area may be dealing with spotty thunderstorms on Saturday before a clear Sunday approaches. Temperatures will remain cooler than normal.
A tropical wave is likely to become the Atlantic Basin's next tropical storm as it approaches or crosses the Caribbean Sea later this week.
Bouts of wet weather will soak the northeastern United States during the last full week of September.
Typhoon Megi will threaten lives and property across Taiwan and eastern China into the middle of the week.
Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.
Following some rain and gusty winds on Tuesday, a strong storm will target the United Kingdom on Thursday.
Washington, D.C. (1975)
Last of nine straight days with some rain. Total rainfall of 9.86 inches; total for September 1975 was was 12.36 inches.
Cape Hatteras, NC (1989)
Rained every day from the 12th to the 25th for a total of 15.51 inches. Normal for all of September is 5.78 inches.
Portland, ME (1991)
Record combined August-September rainfall of 19.65 inches up to Sept. 25. Old record was 14.65 inches in August-September 1954.